... Afterwards you will need to install the XPosed Installer app (the latest version is v3.1.5) that's located/attached at bottom of the OP (1st Post) on the following thread.
After installing the app, you should reboot and launch the app.
I hope that I had explained this okay via text...
I DO NOT provide support via PM unless asked/requested by myself. PLEASE keep it in the threads where everyone can share.